[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-565518-105":3,"detail-sidebar-cat-1-en-105":81,"doc-detail-565518-en":127},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":74,"head_meta":76,"extra_data":78,"updated_unix":80},105,"en","moody-chart-engineering-reference","Moody Chart - Engineering Reference","","This technical document presents the Moody diagram, a fundamental engineering tool used in fluid mechanics to determine the Darcy-Weisbach friction factor for pipe flow. The chart provides a comprehensive graphical representation of the relationship between the friction factor, the Reynolds number, and the relative pipe roughness. It identifies critical flow regimes, including the laminar flow region, the transition region, and the turbulent flow zone, including the fully rough turbulent regime often referred to as complete turbulence. Engineers and fluid dynamicists rely on this standardized chart for calculating pressure drops and head losses in piping systems across various industrial applications. By plotting the Reynolds number on the horizontal axis and the friction factor on the vertical axis, the diagram facilitates accurate predictions of fluid behavior under diverse conditions, supporting the design and optimization of pipelines, water distribution networks, and hydraulic transport systems.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/template/","Template",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/template/general/","General",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/template/moody-chart-engineering-reference/565518/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/moody-chart-engineering-reference/565518.png","ImageObject",442,249,{"name":42,"@type":43},"Logic","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-27","2026-10-13",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",6,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"What is the purpose of the Moody diagram?","Question",{"text":63,"@type":64},"The Moody diagram is used to determine the Darcy-Weisbach friction factor for fluid flow in pipes, which is essential for calculating head loss due to friction.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"What parameters are plotted on the Moody diagram?",{"text":68,"@type":64},"The diagram plots the Darcy friction factor on the vertical axis against the Reynolds number on the horizontal axis, with curves representing different values of relative pipe roughness.",{"name":70,"@type":61,"acceptedAnswer":71},"How are flow regimes categorized on the chart?",{"text":72,"@type":64},"The chart distinguishes between laminar flow, the transition region, and various levels of turbulence, ending in a zone characterized by complete turbulence for rough pipes.","https://schema.org",{"og:url":32,"og:type":75,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":77,"canonical":32},"index,follow",{"doc_id":79,"site_id":7},565518,1792164825,{"code":4,"msg":82,"data":83},"success",[84,89,94,99,104,109,114,119,124],{"id":85,"doc_module":22,"doc_module_name":25,"category_name":86,"show_sort_weight":87,"slug":88},11,"Presentations",90,"presentations",{"id":90,"doc_module":22,"doc_module_name":25,"category_name":91,"show_sort_weight":92,"slug":93},12,"Resumes",80,"resumes",{"id":95,"doc_module":22,"doc_module_name":25,"category_name":96,"show_sort_weight":97,"slug":98},14,"Invoices",70,"invoices",{"id":100,"doc_module":22,"doc_module_name":25,"category_name":101,"show_sort_weight":102,"slug":103},15,"Posters",60,"posters",{"id":105,"doc_module":22,"doc_module_name":25,"category_name":106,"show_sort_weight":107,"slug":108},16,"Social 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\n10-4  \n5×10-9  \n5×10-4  \nghiIO一×  \n5×10-5  \n吕口二照JO10B UOI1OH  \nReynolds Number,Re=  \n∈d  \n0.01  \n0.015  \n0.02  \n0.03  \n0.04","cbCaia2jyo4ZDuMZ","https://ap.wps.com/l/cbCaia2jyo4ZDuMZ","pdf",89244,"English","# Moody Chart Overview\n## Flow Regimes\n## Design Applications","[{\"question\":\"What is the purpose of the Moody diagram?\",\"answer\":\"The Moody diagram is used to determine the Darcy-Weisbach friction factor for fluid flow in pipes, which is essential for calculating head loss due to friction.\"},{\"question\":\"What parameters are plotted on the Moody diagram?\",\"answer\":\"The diagram plots the Darcy friction factor on the vertical axis against the Reynolds number on the horizontal axis, with curves representing different values of relative pipe roughness.\"},{\"question\":\"How are flow regimes categorized on the chart?\",\"answer\":\"The chart distinguishes between laminar flow, the transition region, and various levels of turbulence, ending in a zone characterized by complete turbulence for rough pipes.\"}]","Moody Chart - Engineering Reference | PDF",1791855676]